summaryrefslogtreecommitdiffstats
path: root/src/network/networkd-conf.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/network/networkd-conf.c
parentInitial commit. (diff)
downloadsystemd-upstream/241.tar.xz
systemd-upstream/241.zip
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/network/networkd-conf.c')
-rw-r--r--src/network/networkd-conf.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/network/networkd-conf.c b/src/network/networkd-conf.c
new file mode 100644
index 0000000..334ffc3
--- /dev/null
+++ b/src/network/networkd-conf.c
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+/***
+ Copyright © 2014 Vinay Kulkarni <kulkarniv@vmware.com>
+ ***/
+
+#include <ctype.h>
+
+#include "conf-parser.h"
+#include "def.h"
+#include "dhcp-identifier.h"
+#include "extract-word.h"
+#include "hexdecoct.h"
+#include "networkd-conf.h"
+#include "networkd-network.h"
+#include "string-table.h"
+
+int manager_parse_config_file(Manager *m) {
+ assert(m);
+
+ return config_parse_many_nulstr(PKGSYSCONFDIR "/networkd.conf",
+ CONF_PATHS_NULSTR("systemd/networkd.conf.d"),
+ "DHCP\0",
+ config_item_perf_lookup, networkd_gperf_lookup,
+ CONFIG_PARSE_WARN, m);
+}
+
+static const char* const duid_type_table[_DUID_TYPE_MAX] = {
+ [DUID_TYPE_LLT] = "link-layer-time",
+ [DUID_TYPE_EN] = "vendor",
+ [DUID_TYPE_LL] = "link-layer",
+ [DUID_TYPE_UUID] = "uuid",
+};
+DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType);
+
+int config_parse_duid_type(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *type_string = NULL;
+ const char *p = rvalue;
+ DUID *duid = data;
+ DUIDType type;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(duid);
+
+ r = extract_first_word(&p, &type_string, ":", 0);
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Invalid syntax, ignoring: %s", rvalue);
+ return 0;
+ }
+ if (r == 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Failed to extract DUID type from '%s', ignoring.", rvalue);
+ return 0;
+ }
+
+ type = duid_type_from_string(type_string);
+ if (type < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
+ "Failed to parse DUID type '%s', ignoring.", type_string);
+ return 0;
+ }
+
+ if (!isempty(p)) {
+ usec_t u;
+
+ if (type != DUID_TYPE_LLT) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Invalid syntax, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ r = parse_timestamp(p, &u);
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to parse timestamp, ignoring: %s", p);
+ return 0;
+ }
+
+ duid->llt_time = u;
+ }
+
+ duid->type = type;
+
+ return 0;
+}
+
+int config_parse_duid_rawdata(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ DUID *ret = data;
+ uint8_t raw_data[MAX_DUID_LEN];
+ unsigned count = 0;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(ret);
+
+ /* RawData contains DUID in format "NN:NN:NN..." */
+ for (;;) {
+ int n1, n2, len, r;
+ uint32_t byte;
+ _cleanup_free_ char *cbyte = NULL;
+
+ r = extract_first_word(&rvalue, &cbyte, ":", 0);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to read DUID, ignoring assignment: %s.", rvalue);
+ return 0;
+ }
+ if (r == 0)
+ break;
+ if (count >= MAX_DUID_LEN) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Max DUID length exceeded, ignoring assignment: %s.", rvalue);
+ return 0;
+ }
+
+ len = strlen(cbyte);
+ if (!IN_SET(len, 1, 2)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid length - DUID byte: %s, ignoring assignment: %s.", cbyte, rvalue);
+ return 0;
+ }
+ n1 = unhexchar(cbyte[0]);
+ if (len == 2)
+ n2 = unhexchar(cbyte[1]);
+ else
+ n2 = 0;
+
+ if (n1 < 0 || n2 < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid DUID byte: %s. Ignoring assignment: %s.", cbyte, rvalue);
+ return 0;
+ }
+
+ byte = ((uint8_t) n1 << (4 * (len-1))) | (uint8_t) n2;
+ raw_data[count++] = byte;
+ }
+
+ assert_cc(sizeof(raw_data) == sizeof(ret->raw_data));
+ memcpy(ret->raw_data, raw_data, count);
+ ret->raw_data_len = count;
+ return 0;
+}